Vehicle Data Hub

1999 GMC Suburban fuel economy

The EPA rates the 1999 GMC Suburban at 14 MPG combined (12 city / 17 highway).

At a glance

Combined
14 MPG
City and highway
12 and 17 most efficient version
Yearly fuel cost
$4,800 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
Suburban 1500 2WD
Automatic 4-spd
8-cyl 5.7L Rear-Wheel Drive 121714 MPG $4,800
EPA estimates under standard test conditions. Your mileage will vary with driving style, load and weather.

At EPA assumptions, the most efficient version costs about $4,800 per year in fuel.

Work out what this car would cost you in fuel each year

Fuel economy in other model years